Highly efficient terahertz generation using 3D Dirac semimetal Cd 3 As 2
conference on lasers and electro optics（2021）
Abstract
We present Cd 3 As 2 as a promising candidate for terahertz generation by lever-aging its significant third-order optical nonlinearity. We predict an efficiency over 5000 times that of LiNbO 3 in a propagation distance of 300 nm.
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Key words
highly efficient terahertz generation,3D Dirac semimetal,third-order optical nonlinearity,Cd3As2
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